กฤตสุนันท์กุล ชาญยุทธ. “Biological Nitrogen Removal via Nitrite by Shortcut Nitrification-Denitrification Process in Sequencing Batch Biofilm Reactor”. Progress in Applied Science and Technology 8, no. 2 (December 30, 2018): 143–152. Accessed May 19, 2024. https://ph02.tci-thaijo.org/index.php/past/article/view/243035.